How to use dynamic string substitution in Kotlin?

Question

I'm looking for a Kotlin way to do a dynamic values substitution into a string. It is clear how to implement it, just want to check if there is something similar in standard library.

Could you help me to find a function which given template and data map returns a resulting string with all template keys replaced with their values?

fun format(template: String, data: Map<String, Any>): String { /* magic */ }

format("${a} ${b} ${a}", mapOf("a" to "Home", "b" to "Sweet))   // -> "Home Sweet Home"

Answer 1

fun format(template: String, data: Map<String, String>): String {
  var retval = template
  data.forEach { dataEntry ->
    retval = retval.replace("\${" + dataEntry.key + "}", dataEntry.value)
  }
  return retval
}

// The $ signs in the template string need to be escaped to prevent
// string interpolation
format("\${a} \${b} \${a}", mapOf("a" to "Home", "b" to "Sweet"))